901
Published: 1917
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 286
902
903
904
Published: 1965
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 230
905
906
Published: 1952
Superior document: The birds of the Belgian Congo 4
907
Published: 1983
Superior document: Dēmosieumata tu Kentru Epistēmonikōn Ereunōn 9
908
909
Published: 1936
Superior document: Trudy Instituta Vostokovedenija 15
910
911
Published: 1997
Superior document: Trudy Gosudarstvennogo Istoričeskogo Muzeja 91
912
913
914
Published: 1936
Superior document: Filosofski i filološki spisi / Srpska Kraljevska Akademia 28
915
916
917
918
Published: 1981
Superior document: Vital and health statistics : Series 3, Analytical and epidemiological studies 20
919
Published: 1932
Superior document: Bell telephone system B-678
920
Published: 1996
Publisher: Российская Академия Наук, Институт Научной Информации по Общественным Наукам / Rossijskaja Akademija Nauk, Institut Naučnoj Informacii po Obščestvennym Naukam